Description
The Hioki Voltage Detector 3481 is designed to make electrical inspections safer, faster, and more efficient. Built using Hioki’s industry-leading non-metallic contact technology, this voltage detector provides contactless voltage sensing for environments up to CAT IV 600 V, ensuring maximum user protection in both residential and industrial settings.
Its compact pen-style body allows easy portability and one-handed operation, making it the perfect tool for electricians, technicians, and maintenance professionals. The absence of any exposed metal on the sensor ensures an additional layer of safety, reducing the risk of accidental electric shocks.
One of its standout features is the bright built-in LED light, which enhances visibility in dark or confined workspaces. The tip of the instrument illuminates the area being tested, making it easier to identify live wires. The dual indication system, with both a red LED light and an audible buzzer, ensures clear and immediate feedback when voltage is detected.
The Hioki 3481 also includes an adjustable sensitivity function, allowing the user to tune the detection threshold between 40 V and 80 V AC based on their environment — particularly useful in areas with background electrical noise. A battery check feature alerts the user when power is low, while an auto power-off function saves energy by shutting the device down after 3 minutes of inactivity.
Lightweight and ergonomic, the Hioki Voltage Detector 3481 offers an ideal blend of safety, convenience, and accuracy. Whether you are identifying live lines, inspecting panels, or working in dim environments, this device ensures every job is completed efficiently and safely.
Technical Specifications
| Specification | Details |
| Measurement Function | Voltage detection |
| Operating Voltage Range | 40 V to 600 V AC |
| Sensitivity Range | Adjustable between 40 V – 80 V AC |
| Operating Frequency | 50 Hz / 60 Hz |
| Voltage Indication | Red LED and audible buzzer |
| Battery Check | White LED dims or turns off when low |
| Auto Power Off | After 3 minutes of inactivity |
| Power Supply | 3 × LR44 button alkaline batteries |
| Continuous Use | Approx. 5 hours (standby) |
| Dimensions (W × H × D) | 20 × 126 × 15 mm |
| Weight | 30 g (including batteries) |
| Included Accessories | Instruction manual, 3 × LR44 batteries (trial) |
| Safety Category | CAT IV 600 V |
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